Home / 317,288,828.62-437,554,289.91-204,142,839.22

Finding the Fourth Proportional to 317,288,828.62, 437,554,289.91 and 204,142,839.22

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Solution

The fourth proportional to 317,288,828.62, 437,554,289.91 and 204,142,839.22 is: 281,521,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,288,828.62 : 437,554,289.91 = 204,142,839.22 : x
  2. Step 2: Convert to fraction form
    317,288,828.62/437,554,289.91 = 204,142,839.22/x
  3. Step 3: Cross multiply
    317,288,828.62x = 437,554,289.91 × 204,142,839.22
  4. Step 4: Simplify right side
    317,288,828.62x = 89,323,575,055,118,400
  5. Step 5: Solve for x
    x = 89,323,575,055,118,400/317,288,828.62
  6. Step 6: Final answer
    x = 281,521,336.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.